Move GrInvariantOutput out of GrProcessor and into its own class.

src/gpu/GrOptDrawState.cpp

Index: src/gpu/GrOptDrawState.cpp
diff --git a/src/gpu/GrOptDrawState.cpp b/src/gpu/GrOptDrawState.cpp
index 529e9ed75e9bbe5bc773de378474da442afe91d2..36d592f718d0c8e43d134b3609ca0845e99cbdc4 100644
--- a/src/gpu/GrOptDrawState.cpp
+++ b/src/gpu/GrOptDrawState.cpp
@@ -9,6 +9,7 @@
 
 #include "GrDrawState.h"
 #include "GrDrawTargetCaps.h"
+#include "GrInvariantOutput.h"
 #include "gl/GrGpuGL.h"
 
 GrOptDrawState::GrOptDrawState(const GrDrawState& drawState,
@@ -245,7 +246,7 @@ void GrOptDrawState::computeEffectiveColorStages(const GrDrawState& ds,
                                                  int* firstColorStageIdx,
                                                  uint8_t* fixedFunctionVAToRemove) {
     // Set up color and flags for ConstantColorComponent checks
-    GrProcessor::InvariantOutput inout;
+    GrInvariantOutput inout;
     inout.fIsSingleComponent = false;
     if (!descInfo->hasColorVertexAttribute()) {
         inout.fColor = ds.getColor();
@@ -290,7 +291,7 @@ void GrOptDrawState::computeEffectiveCoverageStages(const GrDrawState& ds,
     // Don't do any optimizations on coverage stages. It should not be the case where we do not use
     // input coverage in an effect
 #ifdef OptCoverageStages
-    GrProcessor::InvariantOutput inout;
+    GrInvariantOutput inout;
     for (int i = 0; i < ds.numCoverageStages(); ++i) {
         const GrFragmentProcessor* fp = ds.getCoverageStage(i).getProcessor();
         fp->computeInvariantOutput(&inout);